\begin{tikzpicture}
    \tkzDefPoints{0/0/B, 3/0/C, 0.6/1.5/A, 2.6/2.2/D}
    \tkzDefMidPoint(A,B)  \tkzGetPoint{E}
    \tkzDefMidPoint(B,C)  \tkzGetPoint{F}
    \tkzDefMidPoint(C,D)  \tkzGetPoint{G}
    \tkzDefMidPoint(D,A)  \tkzGetPoint{H}
    \tkzDrawPolygon(A,B,C,D)
    \tkzDrawPolygon(E,F,G,H)
    \tkzDrawSegments[dashed](A,C)
    \tkzLabelPoints[left](A,B,E)
    \tkzLabelPoints[right](C,G,D)
    \tkzLabelPoints[below](F)
    \tkzLabelPoints[above](H)
\end{tikzpicture}

